4 Jafar Striking Illusionist Jafar is a sinister villain from the get-go
Flipping Clive gets you a 9/9 that fights a creature right away, for example, while flipping Sephiroth gets you a Blood Artist Emblem
3: You may put a Minotaur permanent card from your hand onto the battlefield
That makes playing aggressively against your rival players far less costly, but can also be used tactically to deliberately take characters off the table to reactivate their effects as they enter or leave play - as with Merlin, Goat above
If you do want to stick with the madness theme, considering heading toward Vampires, playing Falkenrath Gorger, and trying to loot your graveyard full of tribe members to reanimate with something like Living Death
It almost always has good targets for artifacts or enchantments and is relevant when you can keep it on the field as a 6/5